Synonyms1,3-dimethyl-6,7,9,10-tetrahydro-7,10-epoxy[1,4]oxazepino[5,4-f]purine-2,4(1H,3H)-dione Close 1,3-dimethyl-6,7,9,10-tetrahydro-7,10-epoxy[1,4]oxazepino[5,4-f]purine-2,4(1H,3H)-dione Related products Doxofylline M.F. M.W. 266.26 CAT# AR-D02357 CAS# 69975-86-6 Doxofylline Impurity 1 M.F. M.W. 240.26 CAT# AR-D02358 CAS# 1429636-74-7 Doxofylline Impurity 2 (Theophylline Impurity 2) M.F. M.W. 240.22/ 222.21 CAT# AR-D02359 CAS# NA Doxofylline Impurity 3 (Theophylline Impurity 4) M.F. M.W. 266.26 CAT# AR-D02360 CAS# 1174289-18-9 Doxofylline Impurity 4 M.F. M.W. 284.27 CAT# AR-D02361 CAS# NA Doxofylline Impurity 5 M.F. M.W. 264.24 CAT# AR-D02362 CAS# NA Doxofylline Impurity 6 M.F. M.W. 268.27 CAT# AR-D02363 CAS# 1429636-72-5 Doxofylline-d4 M.F. M.W. 270.28 CAT# AR-D02364 CAS# 69975-86-6 (non-d) Doxofylline Impurity 7 M.F. M.W. 270.25 CAT# AR-D02365 CAS# NA